Messages in this thread | | | Date | Thu, 17 May 2012 16:46:37 +0900 | Subject | Re: [PATCH][RESEND] gpio: Emma Mobile GPIO driver V2 | From | Magnus Damm <> |
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On Thu, May 17, 2012 at 4:24 PM, Paul Mundt <lethal@linux-sh.org> wrote: > On Thu, May 17, 2012 at 03:22:23PM +0900, Magnus Damm wrote: >> From: Magnus Damm <damm@opensource.se> >> >> This patch is V2 of the Emma Mobile GPIO driver. This >> driver is designed to be reusable between multiple SoCs >> that share the same basic building block, but so far it >> has only been used on Emma Mobile EV2. >> >> Each driver instance handles 32 GPIOs with individually >> maskable IRQs. The driver operates on two I/O memory >> ranges and the 32 GPIOs are hooked up to two interrupts. >> >> In the case of Emma Mobile EV2 this GPIO building block >> is used as main external interrupt controller hooking up >> 159 GPIOS as 159 interrupts via 5 driver instances and >> 10 interrupts to the GIC and the Cortex-A9 Dual. >> >> Signed-off-by: Magnus Damm <damm@opensource.se> >> Acked-by: Linus Walleij <linus.walleij@linaro.org> >> --- >> >> Rafael, can you please pick up? >> >> Changes since V1: >> - use inline for private data functions using container_of() >> - use BIT(n) instead of 1 << n >> - added legacy irq domain support for static mappings > > My distaste for arbitrary static mappings aside, it makes no sense to > support this as a module if the irq domain can't be cleaned up at > present.
Good idea. I'll send an incremental fix for this. Thanks!
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